DUO 311 is the larger version of our stainless steel cleaning trolleys with wringer. It has two stainless steel buckets with a capacity of 8.5 liters each and a stainless steel bucket with a capacity of 26 liters at the front. At the rear there are also two stainless steel buckets with a capacity of 8.5 liters each. The back buckets are placed in a slightly removable bracket and allow the storage of fresh and used mops. The PurMop® wringer has been developed for use in clean rooms and consists entirely of polished stainless steel. The innovative functional principle of the press enables improved reproducibility by means of the defined contact pressure and reduced force thanks to the power transmission mechanism.